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30th Parallel North

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Title: 30th Parallel North  
Author: World Heritage Encyclopedia
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Subject: Circinus, 31st parallel north, 29th parallel north, Horse latitudes, National Centers for Environmental Prediction
Collection: Lines of Latitude
Publisher: World Heritage Encyclopedia

30th Parallel North

Line across the Earth
30th parallel north

The 30th parallel north is a circle of latitude that is 30 degrees north of the Earth's equatorial plane. It stands one-third of the way between the equator and the North Pole and crosses Africa, Asia, the Pacific Ocean, North America and the Atlantic Ocean.

It is the approximate southern border of the horse latitudes in the Northern Hemisphere, meaning that much of the land area touching the 30th parallel is arid or semi-arid. If there is a source of wind from a body of water the area would more likely be subtropical.

At this latitude the sun is visible for 14 hours, 5 minutes during the summer solstice and 10 hours, 13 minutes during the winter solstice.[1] On 21 June, the maximum altitude of the sun is 83.83 degrees and 36.17 degrees on 21 December.

At this latitude:

  • One degree of longitude = 96.49 km or 59.95 mi
  • One minute of longitude = 1.61 km or 1.00 mi
  • One second of longitude = 26.80 m or 87.93 ft

Around the world

Starting at the Prime Meridian and heading eastwards, the parallel 30° north passes through:

Co-ordinates Country, territory or sea Notes
 Saudi Arabia
 Kuwait Mainland and Warbah Island
Persian Gulf
Persian Gulf
 Iran For about 2 km
Persian Gulf
 Pakistan Balochistan
 India Rajasthan
Uttar Pradesh
 People's Republic of China Tibet
Zhejiang — passing just north of Ningbo
East China Sea Hangzhou Bay
 People's Republic of China Zhejiang (islands of Jintang, Zhoushan and Mount Putuo)
East China Sea Hangzhou Bay
 Japan Island of Kuchinoshima
Pacific Ocean
 Mexico Baja California Peninsula
Gulf of California
 United States Texas — passes through Houston
Louisiana — passing just north of New Orleans
Gulf of Mexico
 United States Louisiana - Chandeleur Islands
Gulf of Mexico
 United States Florida
Gulf of Mexico Apalachee Bay
 United States Florida
Atlantic Ocean

See also


  1. ^
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